Re: [PATCH igt] igt/core_suspend: Exercise igt_system_suspend_autoresume()

[Petri Latvala <petri.latvala@intel.com>]

On Sun, Oct 15, 2017 at 03:01:28PM +0100, Chris Wilson wrote:
> We have various basic suspend and debug modes, so iterate over them to
> check they each work without test interference. This help work out the
> cause of any suspend bugs.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  tests/Makefile.sources |  1 +
>  tests/core_suspend.c   | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 61 insertions(+)
>  create mode 100644 tests/core_suspend.c
> 
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index 9c461353..c2f51a59 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -26,6 +26,7 @@ TESTS_progs = \
>  	core_getversion \
>  	core_prop_blob \
>  	core_setmaster_vs_auth \
> +	core_suspend \
>  	debugfs_test \
>  	drm_import_export \
>  	drm_mm \
> diff --git a/tests/core_suspend.c b/tests/core_suspend.c
> new file mode 100644
> index 00000000..eee2e1ab
> --- /dev/null
> +++ b/tests/core_suspend.c
> @@ -0,0 +1,60 @@
> +/*
> + * Copyright © 2017 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + */
> +
> +#include "igt.h"
> +
> +igt_main
> +{
> +	const struct mode {
> +		const char *name;
> +		unsigned int mode;
> +	} suspend[] = {
> +		{ "freze", SUSPEND_STATE_FREEZE },

"freeze"

> +		{ "standy", SUSPEND_STATE_STANDBY },

"standby"



-- 
Petri Latvala


> +		{ "mem", SUSPEND_STATE_MEM },
> +		{ "disk", SUSPEND_STATE_DISK },
> +		{}
> +	}, debug[] = {
> +		{ "freezer", SUSPEND_TEST_FREEZER },
> +		{ "devices", SUSPEND_TEST_DEVICES },
> +		{ "platform", SUSPEND_TEST_PLATFORM },
> +		{ "processors", SUSPEND_TEST_PROCESSORS },
> +		{ "core", SUSPEND_TEST_CORE },
> +		{ "full", SUSPEND_TEST_NONE },
> +		{}
> +	};
> +
> +	igt_skip_on_simulation();
> +
> +	/* unload all drivers? */
> +
> +	for (const struct mode *s = suspend; s->name; s++) {
> +		for (const struct mode *d = debug; d->name; d++) {
> +			igt_subtest_f("suspend-%s-%s", s->name, d->name)
> +				igt_system_suspend_autoresume(s->mode, d->mode);
> +		}
> +	}
> +
> +	/* again with drivers loaded? */
> +}
> -- 
> 2.15.0.rc0
> 
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